65432224 has 96 divisors (see below), whose sum is σ = 154103040. Its totient is φ = 26956800.

The previous prime is 65432221. The next prime is 65432249. The reversal of 65432224 is 42223456.

65432224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65432192 and 65432201.

It is not an unprimeable number, because it can be changed into a prime (65432221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361414 + ... + 361594.

It is an arithmetic number, because the mean of its divisors is an integer number (1605240).

Almost surely, 2^65432224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65432224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77051520).

65432224 is an abundant number, since it is smaller than the sum of its proper divisors (88670816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65432224 is a wasteful number, since it uses less digits than its factorization.

65432224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 286 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 65432224 is about 8089.0187291167. The cubic root of 65432224 is about 402.9618150004.

It can be divided in two parts, 65432 and 224, that added together give a palindrome (65656).

The spelling of 65432224 in words is "sixty-five million, four hundred thirty-two thousand, two hundred twenty-four".